Home / 10,471.57-15,686.79-6,079.84

Finding the Fourth Proportional to 10,471.57, 15,686.79 and 6,079.84

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Solution

The fourth proportional to 10,471.57, 15,686.79 and 6,079.84 is: 9,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471.57 : 15,686.79 = 6,079.84 : x
  2. Step 2: Convert to fraction form
    10,471.57/15,686.79 = 6,079.84/x
  3. Step 3: Cross multiply
    10,471.57x = 15,686.79 × 6,079.84
  4. Step 4: Simplify right side
    10,471.57x = 95,373,173.31
  5. Step 5: Solve for x
    x = 95,373,173.31/10,471.57
  6. Step 6: Final answer
    x = 9,107.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.